How To Fix AD891 - & (table type change &->& only after approval)

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 891

• Message text: & (table type change &->& only after approval)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AD891 - & (table type change &->& only after approval) ?

  The SAP error message AD891, which states "Table type change &->& only after approval," typically occurs when there is an attempt to change the type of a database table in the ABAP Dictionary (SE11) without the necessary approval. This is a safeguard mechanism in SAP to prevent unauthorized or unintended changes to database structures that could affect system stability or data integrity.
  Cause:
  
  Table Type Change: The error is triggered when a developer or user attempts to change the type of a table (for example, from a transparent table to a pooled table or vice versa) without going through the proper approval process.
  Authorization Issues: The user may not have the required authorizations to make such changes.
  System Configuration: The system may be configured to require approval for certain types of changes to ensure compliance with development and change management processes.
  
  Solution:
  
  Approval Process: Follow the established approval process within your organization. This usually involves submitting a change request to a change management team or a designated approver who can review and authorize the change.
  Check Authorizations: Ensure that you have the necessary authorizations to make changes to the table type. If not, contact your SAP security team to request the appropriate permissions.
  Consult Documentation: Review your organization's documentation on change management and table modifications to ensure compliance with internal policies.
  Use Transport Requests: If the change is approved, ensure that it is included in a transport request to maintain proper version control and documentation of changes made to the system.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions related to this error message. You can search the SAP Support Portal for notes related to AD891.
  Change Management Policies: Familiarize yourself with your organization's change management policies, as they will outline the steps required for making changes to database objects.
  Development Guidelines: Review SAP development guidelines to understand best practices for modifying database tables and the implications of such changes.
  
  If you continue to face issues or need further assistance, consider reaching out to your SAP Basis or development team for support.